EP3689217A1 - Verfahren und vorrichtung zur herstellung einer reinigungsverbindung - Google Patents
Verfahren und vorrichtung zur herstellung einer reinigungsverbindung Download PDFInfo
- Publication number
- EP3689217A1 EP3689217A1 EP19382075.0A EP19382075A EP3689217A1 EP 3689217 A1 EP3689217 A1 EP 3689217A1 EP 19382075 A EP19382075 A EP 19382075A EP 3689217 A1 EP3689217 A1 EP 3689217A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- cleaning
- product
- cleaning compound
- oxygen species
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 97
- 150000001875 compounds Chemical class 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000003642 reactive oxygen metabolite Substances 0.000 claims abstract description 28
- 238000002156 mixing Methods 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 239000002775 capsule Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 10
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 230000001706 oxygenating effect Effects 0.000 claims description 6
- 238000007146 photocatalysis Methods 0.000 claims description 6
- 230000001699 photocatalysis Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000013481 data capture Methods 0.000 claims description 3
- 239000013020 final formulation Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- -1 Alkyl ether sulphonate Chemical class 0.000 description 8
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 229940087305 limonene Drugs 0.000 description 4
- 235000001510 limonene Nutrition 0.000 description 4
- 239000002304 perfume Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LSTPKMWNRWCNLS-UHFFFAOYSA-N 1-amino-2,3-dihydroindene-1,5-dicarboxylic acid Chemical group OC(=O)C1=CC=C2C(N)(C(O)=O)CCC2=C1 LSTPKMWNRWCNLS-UHFFFAOYSA-N 0.000 description 2
- 239000004367 Lipase Substances 0.000 description 2
- 102000004882 Lipase Human genes 0.000 description 2
- 108090001060 Lipase Proteins 0.000 description 2
- 108091005804 Peptidases Proteins 0.000 description 2
- 108010059820 Polygalacturonase Proteins 0.000 description 2
- 239000004365 Protease Substances 0.000 description 2
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 2
- 108010093305 exopolygalacturonase Proteins 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000019421 lipase Nutrition 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000006950 reactive oxygen species formation Effects 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 229940045872 sodium percarbonate Drugs 0.000 description 2
- GYOFRJOMHLYJNZ-UHFFFAOYSA-N tributyl(tetradecyl)azanium Chemical compound CCCCCCCCCCCCCC[N+](CCCC)(CCCC)CCCC GYOFRJOMHLYJNZ-UHFFFAOYSA-N 0.000 description 2
- UZJGVXSQDRSSHU-UHFFFAOYSA-N 6-(1,3-dioxoisoindol-2-yl)hexaneperoxoic acid Chemical compound C1=CC=C2C(=O)N(CCCCCC(=O)OO)C(=O)C2=C1 UZJGVXSQDRSSHU-UHFFFAOYSA-N 0.000 description 1
- QJDSLDWVMCWWCO-UHFFFAOYSA-N 6-(1,3-dioxoisoindol-2-yl)hexanoic acid Chemical compound C1=CC=C2C(=O)N(CCCCCC(=O)O)C(=O)C2=C1 QJDSLDWVMCWWCO-UHFFFAOYSA-N 0.000 description 1
- 229940125898 compound 5 Drugs 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DAKZISABEDGGSV-UHFFFAOYSA-N n-(2-aminoethyl)acetamide Chemical class CC(=O)NCCN DAKZISABEDGGSV-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical class CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
- A47L15/4238—Arrangements to sterilize or disinfect dishes or washing liquids by using electrolytic cells
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/003—Washing machines, apparatus, or methods not otherwise provided for using electrochemical cells
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4472—Blister packaging or refill cartridges
Definitions
- the present invention relates to a method for producing a cleaning compound.
- the invention also relates to such a cleaning compound.
- the invention further relates to a device for producing a cleaning compound by such a method and to a home appliance comprising such a device.
- the cleaning compounds are often not as effective as desired by a consumer or user, and are often complicated to dispense and apply to the intended place of usage.
- the present invention deals with the problem of specifying a new, improved, or at least alternative method for producing and applying a cleaning compound by means of a suitable device which can particularly be part of a home appliance.
- the present invention further deals with the problem of specifying a device for producing a cleaning compound by such a method.
- the basic idea of the invention is to produce water containing reactive oxygen species and to subsequently blend the water with a cleaning product.
- a maintenance product or a care product can be used for blending the water.
- a such-like production process can be carried out in an appropriate device.
- a suitable cleaning compound can be produced in a fast and simple way for a specific cleaning or maintenance purpose and be dispensed and provided efficiently to an intended place of usage.
- a need for selecting, purchasing, carrying, storing, and properly using multiple cleaning compounds each often being stored in a large container and having specific instructions for use is not required.
- such a method and device have environment-friendly advantages due to reducing the amount of required packaging, and even reducing the amount of cleaning compound applied.
- the method according to the invention also reduces the risk of ingesting cleaning or maintenance products, particularly for children.
- the method for producing a cleaning compound - also called bleach system - comprises a first step of providing water, providing oxygen solved in the water, and providing the cleaning product, preferably in a suitable device.
- the method further comprises a second step of producing water containing reactive oxygen species in the device by forming reactive oxygen species in the water from the water and the oxygen.
- the method comprises a third step of producing the cleaning compound by blending the water containing reactive oxygen species with the cleaning product which can also be called "bleach precursor".
- the cleaning compound produced can also be a compound to be used for maintenance and/or care purposes.
- the cleaning product is provided stored in a cartridge and/or in a capsule.
- a user friendly and efficient production is achieved, while also allowing to easily and quickly adapt the method to a specific purpose of cleaning, maintaining or care purposes.
- the cartridge and/or capsule storing the cleaning product to be blend is tagged with an identifier for identifying the cleaning product before the cleaning compound is produced.
- the reactive oxygen species are formed by means of ultrafine bubbles, electro-Fenton process, photo-catalysis, electro-catalysis or plasma.
- This embodiment achieves a particularly effective formation of reactive oxygen species in the water and enhances the effectiveness of the produced cleaning compound.
- the cleaning product can be provided in solid or in liquid form.
- Such a product is particularly easily blend with the water containing reactive oxygen species, the user friendliness is increased, and the production and handling of the cartridges and capsules respectively is simplified.
- the cleaning compound is provided to its intended place of usage after its production by means of the method described above.
- the device used for producing the cleaning compound is not required to be placed in or at the place of usage during the application of the cleaning compound, and can be used for another purpose.
- the invention further relates to a cleaning compound produced by the above-described method.
- the previously explained advantages of the method according to the present invention therefore also transfer to the cleaning compound.
- the quantity and/or final formulation of the produced/dispensed cleaning compound produced by the above-described method is dependent on at least one external parameter.
- the at least one external parameter can be the kind of surface to be cleaned or the size of the surface to be cleaned or the volume of the surface to be cleaned.
- the invention further relates to a device, particularly for a home appliance, for producing a cleaning compound according to the method according to the present invention.
- a device particularly for a home appliance, for producing a cleaning compound according to the method according to the present invention.
- the device comprises a water tank for containing the water.
- a water tank for containing the water.
- Such a device can produce a cleaning compound without the need for water from an external source.
- the device comprises an oxygenating unit using ultrasound, ultrafine bubbles, electro-Fenton process, photo-catalysis, electro-catalysis or plasma for forming the reactive oxygen species.
- This embodiment achieves a particularly effective formation of reactive oxygen species in the water and enhances the effectiveness of the produced cleaning compound.
- the device comprises a blending container for blending the water containing reactive oxygen species with the cleaning product.
- a blending container for blending the water containing reactive oxygen species with the cleaning product.
- the device comprises a dispensing element for providing the cleaning compound to its intended place of usage.
- the device for producing the cleaning compound is not required to be placed in or at the place of usage during the application of the cleaning compound, and can be used for another purpose. Additionally, this allows for a particularly user friendly providing of the cleaning compound to its intended place of usage.
- the device comprises an electronic control unit, wherein the electronic control unit can be communicating with the oxygenating unit in operation, and is configured/programmed to run the method according to the invention.
- the device comprises a cartridge and/or capsule storing the cleaning product to be blend.
- a particularly user friendly and efficient production is achieved, while also allowing to easily and quickly adapt the method to a specific purpose of cleaning.
- the device comprises an automated identification and data capture unit communicating with the electronic control unit for identifying the cleaning product to be blend and stored in the cartridge and/or capsule tagged with the identifier.
- the device comprises a user interface communicating with the electronic control unit for displaying information to a user concerning the method according to the invention. This embodiment enhances the user friendliness.
- the invention relates to a home appliance comprising a device according to the present invention.
- a home appliance comprising a device according to the present invention.
- the home appliance or the device can comprise a sensor unit having at least one sensor.
- the at least one sensor can be a loading sensor, a turbidity sensor, a pH-sensor, a conductivity sensor, a temperature sensor, a pressure sensor, a water hardness sensor or any other kind of known sensor.
- the at least one sensor can provide sensor data related to the at least parameter on which the quantity and/or final formulation of the produced/dispensed cleaning compound produced by means of the method described above is dependent on.
- Figure 1 schematically shows an example of a device 5 for producing a cleaning compound 4 according to the invention and by means of the method according to the invention Thus, in operation, the device 5 runs the method for producing the cleaning 4 compound according to the present invention.
- the device 5 comprises a water tank 6 for containing water 1 or any other fluid comprising water or having a chemical composition able to form reactive oxygen species in combination with oxygen.
- the device 5 further comprises an oxygenating unit 7 arranged in the water tank 6.
- the unit 7 uses ultrasound, ultrafine bubbles, electro-Fenton process, photo-catalysis, electro-catalysis, plasma or other known methods for forming reactive oxygen species in the water 1 contained in the water tank 6.
- the device 5 also comprises a cartridge and a capsule 8 for storing the cleaning product 3.
- the cartridge and the capsule 8, respectively, can be configured to be insertable into and removable from the device 5 allowing to use a specific product 3.
- the device further comprises an automated identification and data capture unit (not shown in figure 1 ), also known as AIDC unit, communicating with an electronic control unit 12 of the device 5 for identifying the cleaning and product 3 stored in the cartridge or in the capsule 8, respectively.
- the cartridge or capsule 8, respectively can be tagged with an identifier 9, such as a QR-code, a bar code, a RFID transponder/emitter or other AIDC identifiers.
- the device 5 comprises a blending container 10 for blending water 2 containing reactive oxygen species, with the cleaning product 3.
- the blending container 10 is in fluid connection with the water tank 6 and the cartridge 8 or capsule 8, respectively, such that the water 2 containing reactive oxygen species in the water tank 6 and the product 3 stored in the cartridge or capsule 8, respectively, can be transported to the blending container 10.
- the device 5 For providing the cleaning compound 4 to its intended place of usage, such as a surface the cleaning compound 4 is to be applied to or a detergent container of a dish washer or washing machine, the device 5 comprises a dispensing element 11.
- the device also comprises a housing 14.
- the dispenser 11 protrudes from the housing 14, such that the cleaning compound 4 can be dispensed more easily.
- the above-mentioned electronic control unit 12 of the device 5 is also communicating with the oxygenating unit 7 and is configured/programmed to run the method according to the invention.
- the device 5 can comprises a user interface 13.
- the user interface 13 is communicating with the electronic control unit 12 for displaying information to a user concerning the method according to the invention carried out in the device 5.
- the information can for example be related to the product 3, the amount of cleaning compound 4 to be produced, the ratio of mixture, the amount of water 2 containing reactive oxygen species to be produced, cleaning programs, and similar information.
- the user interface 13 can also be also configured for operating, setting, and adjusting the device 5.
- the device 5 for producing the cleaning compound 4 is used for a home appliance (not shown in figure 1 ), particularly a dish washer or a washing machine.
- the home appliance comprises the device 5 and can for example be used to apply the cleaning compound 4 to surfaces to be maintained or cleaned or textiles to be cleaned.
- the method is carried out in the device 5.
- the method serves to for produce the cleaning compound 4 from the water 1, oxygen solved in the water 1, and the above-described product 3.
- the method comprises a step of providing the water 1, oxygen solved in the water 1, and the cleaning product 3 in the device 5.
- the cleaning product 3 is provided within the capsule 8.
- the product 3 can also be provided in the above-mentioned cartridge.
- the capsule 8 can be tagged with a QR-Code 9, which is used to identify the cleaning product 3 stored in the capsule 8 before the cleaning compound 4 is produced.
- the cleaning product 3 is liquid, but could also be solid.
- water 2 containing reactive oxygen species is produced inside of the device 5 by forming reactive oxygen species in the water 1 by using the water 1 and the oxygen.
- the reactive oxygen species are formed by means of electro-catalysis. It is also possible to form the reactive oxygen species by means of ultrafine bubbles, electro-Fenton processes, photo-catalysis, or plasma technologies.
- the cleaning compound 4 is produced inside the device 5 by blending the water 2 containing the reactive oxygen species with the cleaning product 3.
- a cleaning compound 4 can also be a compound used for maintenance or care.
- the cleaning compound 4 produced according to the method of the invention is then provided to its intended place of usage by means of the dispensing element 11.
- cleaning product suitable for use in a washing machine is: Ingredients Percentage (weight-%) Compound Tensioactives 10 to 25 Alkyl ether sulphonate Prebleach 5 to 25 6-phthalimido hexanoic acid Enzimes 0 to 4 protease, amilase, lipase, cellularase, pectinase, mananase.... Soap 5 to 25 Fatty acid (16 carbon atoms) Colorants, perfumes 0 to 1 Limonene Solvents 0 to 0,3 2-isopropanol Water Qsp 100
- An example of cleaning compound suitable for use in a washing machine based on a cleaning product mentioned above is: Ingredients Percentage (weight-%) Compound Tensioactives 10 to 25 Alkyl ether sulphonate bleach 5 to 25 6-phthalimido peroxy hexanoic acid Enzimes 0 to 4 protease, amilase, lipase, cellularase, pectinase, mananase.... Soap 5 to 25 Fatty acid (16 carbon atoms) Colorants, perfumes 0 to 1 Limonene Solvents 0 to 0,3 2-isopropanol Water Qsp 100
- cleaning product suitable for use in a dishwasher is: Ingredients Percentage (weigth-%) Compound Tensioactives 10 to 25 Alkyl ether sulphonate Solvents (alcohols) 1 to 3 2-isopropanol Prebleach 1 to 5 tetra acetyl ethylene diamine Salts 1 to 5 Sodium percarbonate Chelating agent 0 to 1 Citric Acid Antimicrobial 0 to 0,2 Tributyl(tetradecyl)ammonium clhoride Colorants, perfumes 0 to 1 Limonene Water Qsp 100
- cleaning compound suitable for use in a dishwasher based on a cleaning product mentioned above is: Ingredients Percentage (weigth-%) Compound Tensioactives 10 to 25 Alkyl ether sulphonate Solvents (alcohols) 1 to 3 2-isopropanol Bleach 1 to 5 acetic acid + di acetyl ethylene diamine Salts 1 to 5 Sodium percarbonate Chelating agent 0 to 1 Citric Acid Antimicrobial 0 to 0,2 Tributyl(tetradecyl)ammonium clhoride Colorants, perfumes 0 to 1 Limonene Water Qsp 100
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Detergent Compositions (AREA)
- Cleaning By Liquid Or Steam (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19382075.0A EP3689217A1 (de) | 2019-02-01 | 2019-02-01 | Verfahren und vorrichtung zur herstellung einer reinigungsverbindung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19382075.0A EP3689217A1 (de) | 2019-02-01 | 2019-02-01 | Verfahren und vorrichtung zur herstellung einer reinigungsverbindung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3689217A1 true EP3689217A1 (de) | 2020-08-05 |
Family
ID=65529607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19382075.0A Pending EP3689217A1 (de) | 2019-02-01 | 2019-02-01 | Verfahren und vorrichtung zur herstellung einer reinigungsverbindung |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3689217A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023072097A1 (zh) * | 2021-10-25 | 2023-05-04 | 梁维安 | 复合式芬顿法辅以陶瓷薄膜过滤污水处理器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1925589A1 (de) * | 2006-11-03 | 2008-05-28 | Koninklijke Philips Electronics N.V. | Erzeuger von reaktiven Sauerstoffspezies, Waschvorrichtung und Reinigungsverfahren |
US20130056364A1 (en) * | 2011-09-05 | 2013-03-07 | Basf Se | Method for the bleaching of kitchenware in a dishwasher |
EP3320972A1 (de) * | 2016-11-09 | 2018-05-16 | BSH Hausgeräte GmbH | Haushaltsgerät mit einer selbstreinigenden, katalytisch aktiven oberfläche und verfahren zum betrieb desselben |
-
2019
- 2019-02-01 EP EP19382075.0A patent/EP3689217A1/de active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1925589A1 (de) * | 2006-11-03 | 2008-05-28 | Koninklijke Philips Electronics N.V. | Erzeuger von reaktiven Sauerstoffspezies, Waschvorrichtung und Reinigungsverfahren |
US20130056364A1 (en) * | 2011-09-05 | 2013-03-07 | Basf Se | Method for the bleaching of kitchenware in a dishwasher |
EP3320972A1 (de) * | 2016-11-09 | 2018-05-16 | BSH Hausgeräte GmbH | Haushaltsgerät mit einer selbstreinigenden, katalytisch aktiven oberfläche und verfahren zum betrieb desselben |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023072097A1 (zh) * | 2021-10-25 | 2023-05-04 | 梁维安 | 复合式芬顿法辅以陶瓷薄膜过滤污水处理器 |
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